CN113818910B - Segment storage and transportation device, tunnel tunneling equipment and segment storage and transportation method - Google Patents
Segment storage and transportation device, tunnel tunneling equipment and segment storage and transportation method Download PDFInfo
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- CN113818910B CN113818910B CN202111180801.7A CN202111180801A CN113818910B CN 113818910 B CN113818910 B CN 113818910B CN 202111180801 A CN202111180801 A CN 202111180801A CN 113818910 B CN113818910 B CN 113818910B
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- 230000005641 tunneling Effects 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000002787 reinforcement Effects 0.000 claims description 33
- 238000010276 construction Methods 0.000 claims description 20
- 230000017105 transposition Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 10
- 230000032258 transport Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
Abstract
The invention discloses a duct piece storage and transportation device, wherein a dragging assembly which is linked with a trolley of a shield machine is arranged on a bottom frame, a moving assembly is arranged on the bottom frame in a reciprocating and stepping manner, a rotating assembly which is matched with a duct piece crane in a aligned manner is arranged at the rear end part of the bottom frame, and jacking arms are symmetrically arranged at the top of the rotating assembly; lifting frames and lifting oil cylinders capable of driving the lifting frames to lift are symmetrically arranged on two sides of the underframe, lifting supports are arranged on two sides of the moving assembly, and the rotating assembly is located between rear end portions of the two lifting supports. The pipe piece storage and transportation device can obviously improve the pipe piece storage and transportation efficiency of the tunnel tunneling equipment and ensure the integral tunneling operation efficiency of the equipment. The invention also discloses a tunneling device applying the pipe piece storage and transportation device and a pipe piece storage and transportation method applying the tunneling device.
Description
Technical Field
The invention relates to the technical field of tunneling supporting equipment, in particular to a duct piece storage and transportation device. The invention also relates to a tunneling device applying the pipe piece storage and transportation device and a pipe piece storage and transportation method applying the tunneling device.
Background
In the tunnel construction field, the shield tunneling machine (namely the shield tunneling machine) is used for tunnel construction, and has the characteristics of high automation degree, labor saving, high construction speed, one-time hole forming, no influence by climate, controllable ground subsidence during excavation, reduced influence on ground buildings, no influence on water surface traffic during underwater excavation and the like, and under the conditions of longer tunnel line and larger buried depth, the shield tunneling machine is used for construction more economically and reasonably.
In the tunnel shield method construction, the shield segments are lining members for permanently lining the formed section and bear the functions of resisting soil pressure, stratum water pressure and other loads. Along with the rapid development of the excavation section of the shield tunnel towards the large or oversized diameter direction, the size and the weight of the segments of the shield segment are increased, so that the segment transportation difficulty is increased, and two types of segment transportation modes are commonly used at present: firstly, directly lifting the pipe piece from a transport vehicle to a pipe piece storage area by using a single pipe piece crane, rotating the pipe piece to a set position by the auxiliary cooperation of the crane and personnel to finish unloading a pipe piece, and returning the crane to repeat the steps until the pipe piece is carried for one time to be unloaded; and secondly, unloading the two segments from the transport vehicle to a segment pre-storing area by adopting a double-tube segment crane, lifting the single segment from the pre-storing area to a storing area by utilizing a single-tube segment crane, and rotating and storing the single segment to a set position, wherein after the two segments are stored, the double-tube segment crane repeats the steps until the primary segment unloading is completed. The operation mode can meet the current basic pipe piece storage and transportation requirements, but has lower pipe piece unloading efficiency, and has larger single operation span when long-distance shield construction is performed, so that the shield material transportation operation efficiency is seriously restricted, and the integral construction progress of a tunnel is influenced.
Therefore, how to improve the pipe piece storage and transportation efficiency of the tunneling equipment and ensure the whole tunneling operation efficiency of the equipment is an important technical problem which needs to be solved by the technicians in the field at present.
Disclosure of Invention
The invention aims to provide a pipe piece storage and transportation device which can obviously improve the pipe piece storage and transportation efficiency of tunnel tunneling equipment and ensure the integral tunneling operation efficiency of the equipment. The invention further aims to provide tunneling equipment using the pipe piece storage and transportation device and a pipe piece storage and transportation method using the tunneling equipment.
In order to solve the technical problems, the invention provides a duct piece storage and transportation device, which comprises a chassis which is movably arranged at the bottom of a tunnel along the tunneling direction, wherein a dragging assembly which is in linkage connection with a shield tunneling machine trolley is arranged on the chassis, a moving assembly is arranged on the chassis in a reciprocating stepping manner along the tunneling direction, a rotating assembly which can drive a duct piece to rotate around a vertical axis to adjust the placing direction of the duct piece is arranged at the rear end part of the chassis, the rotating assembly is in alignment fit with the duct piece crane along the vertical direction, and jacking arms which can lift along the vertical direction and are matched with the duct piece are symmetrically arranged at the top of the rotating assembly along the horizontal direction;
lifting frames capable of supporting duct pieces are symmetrically arranged on two sides of the bottom frame, lifting cylinders which are arranged along the length direction of the bottom frame and can drive the lifting frames to lift in the vertical direction are symmetrically arranged on two sides of the bottom frame, lifting supports capable of supporting duct pieces are arranged on two sides of the moving assembly along the length direction of the bottom frame, and the rotating assembly is located between the rear end portions of the lifting supports.
Preferably, the movable assembly comprises movable frames arranged above the underframe in parallel, the lifting supports are respectively arranged at the tops of two sides of the movable frames, movable wheels which are in rolling fit with the underframe are arranged at the bottoms of the movable frames, a plurality of rear cylinder bases are arranged on the underframe, a plurality of front cylinder bases which are in alignment fit with the rear cylinder bases along the length direction of the underframe are arranged on the movable frames, conveying oil cylinders which can stretch along the length direction of the underframe are hinged between the rear cylinder bases and the front cylinder bases in a one-to-one correspondence manner, and the movable frames can move in a reciprocating stepping manner relative to the underframe along the length direction of the underframe under the driving of the conveying oil cylinders.
Preferably, the chassis is provided with a plurality of rear stiffening beams extending along the width direction thereof, each rear stiffening beam is sequentially arranged along the length direction of the chassis, the movable frame is provided with a plurality of front stiffening beams extending along the width direction of the chassis, and each front stiffening beam is sequentially arranged along the length direction of the chassis;
the rear cylinder seat is fixed on the rear reinforcement beam, each rear cylinder seat on the same rear reinforcement beam is uniformly distributed along the extending direction of the rear reinforcement beam, the front cylinder seat is fixed on the front reinforcement beam, each front cylinder seat on the same front reinforcement beam is uniformly distributed along the extending direction of the front reinforcement beam, the cylinder barrel end of the conveying cylinder is hinged on the rear cylinder seat, and the piston rod end of the conveying cylinder is hinged on the front cylinder seat on the front adjacent front reinforcement beam in front of the rear cylinder seat.
Preferably, the top of the lifting support is provided with a lifting nylon plate in contact fit with the duct piece.
Preferably, the rotating assembly comprises a support fixedly arranged at the top of the rear end of the underframe, a rotating table is arranged at the top of the support, the jacking arms are symmetrically arranged at the tops of two sides of the rotating table, and a plurality of jacking cylinders for driving the jacking arms to lift are symmetrically arranged at the tops of two sides of the rotating table;
the rotary table is characterized in that a driving shell is arranged on the support, a rotary driving unit capable of driving the rotary table to rotate on a fixed shaft is arranged in the driving shell, and a bearing which is coaxially matched with the rotary table and matched with the rotary driving unit is also arranged on the support.
Preferably, the rotation driving unit comprises a worm wheel coaxially and cooperatively arranged below the rotary table, and further comprises a bidirectional motor which is meshed with the worm wheel and is appropriately matched with the worm and drives the worm to rotate in a fixed shaft mode.
Preferably, a transition ring is coaxially and in linkage connection with the rotating platform.
Preferably, a plurality of travelling wheels in rolling fit with the bottom surface of the tunnel are arranged on two sides of the bottom of the underframe along the length direction of the underframe.
The invention also provides tunneling equipment, which comprises a shield tunneling machine body, a splicing machine and a trolley, wherein the splicing machine and the trolley are arranged on the shield tunneling machine body, a pipe piece crane is arranged at the rear part of the shield tunneling machine body in a reciprocating manner along the tunneling direction, and pipe piece storage and transportation devices are arranged below the shield tunneling machine trolley and the pipe piece crane and are any one of the pipe piece storage and transportation devices.
The invention also provides a pipe piece storage and transportation method, which adopts the tunneling equipment, and comprises the following steps:
after the pipe piece is lifted, the shield machine trolley drives the pipe piece storage and transportation device to integrally move to a target station through the dragging component, the pipe piece is transported to a designated lifting position through the pipe piece transport trolley, and then the pipe piece crane is started to lift and lift the pipe piece to a set position right above the rotating component;
the pipe piece blanking, the pipe piece crane descends the pipe piece, meanwhile, the jacking arm ascends to a preset height, the pipe piece crane slowly places the pipe piece on the jacking arm and is placed stably, and then the pipe piece crane and the pipe piece are released from linkage and reset;
the angle adjustment is carried out, the rotating frame drives the whole duct piece to rotate forward for 90 degrees and then stop, then the jacking arms gradually descend to the initial height until the duct piece is reliably supported by each lifting support, the rotating frame is separated from contact with the duct piece, and then the rotating frame reversely rotates for 90 degrees and then resets;
after the segment is supported by the lifting support of the moving assembly and is fully supported and stabilized, the moving assembly is controlled to move forwards for a certain distance integrally, and the segment is driven to move forwards synchronously along with the moving assembly;
the transposition lifting is carried out, lifting oil cylinders on two sides of the corresponding position of the duct piece are controlled to extend to drive the lifting frame to lift up until the lifting frame completely and reliably supports the duct piece, the duct piece is separated from contact with the lifting support, then the moving assembly is controlled to integrally retract and reset, and then the lifting oil cylinders retract to drive the lifting frame to fall back and reset until the duct piece is stably placed on the lifting support corresponding to the current position;
and (3) circularly stepping, namely sequentially repeating the steps of duct piece lifting, duct piece blanking, angle adjustment, stepping forward and transposition lifting until the subsequent duct pieces are continuously arranged on the lifting support at intervals, and synchronously feeding forward in a stepping manner so as to meet the tunnel construction requirements.
Compared with the background art, the pipe piece storage and transportation device provided by the invention has the advantages that in the working operation process, when the shield tunneling machine is tunneling integrally, the shield tunneling machine trolley drives the pipe piece storage and transportation device to integrally move to a target station through the traction component, then the pipe piece is transported to a designated lifting position by the pipe piece transport trolley, then the pipe piece crane is started to lift and lift the pipe piece to a set position right above the rotation component, then the pipe piece crane lowers the pipe piece, meanwhile, the lifting arm is lifted to a preset height, the pipe piece crane slowly places the pipe piece on the lifting arm and is placed stably, then the pipe piece crane is decoupled and reset with the pipe piece, then the rotation frame drives the pipe piece to integrally rotate forward for 90 degrees and then is stopped, then the lifting arm is gradually lowered to the initial height until the pipe piece is reliably supported by each lifting support, the rotation frame is separated from the pipe piece, then the rotation frame reversely rotates for 90 degrees and then is reset, the movable frame is controlled to integrally move forwards for a certain distance to drive the duct pieces to synchronously move forwards along with the movable frame, the lifting cylinders on two sides of the corresponding position of the duct pieces are controlled to extend to drive the movable frame to lift up until the movable frame completely and reliably supports the duct pieces and enables the duct pieces to be separated from contact with the lifting support, then the movable frame is controlled to integrally retract and reset, then the lifting cylinders retract to drive the movable frame to fall back and reset until the duct pieces are stably placed on the lifting support corresponding to the current position, thus single-step transfer of the duct pieces of a single group can be completed, then the working procedures can be repeated sequentially, the next group of duct pieces are arranged at intervals behind the duct pieces of the last group, step-by-step transfer operation is synchronously implemented under the linkage action of the movable frame and the relevant matched components thereof until all duct pieces required by the current position are conveyed in place and the installation is completed, and then the shield machine trolley drives the duct piece storage and transportation device to integrally move to the next target station through the dragging assembly, and the corresponding duct piece storage and transportation operation is completed through repeating the working procedures. The pipe piece storage and transportation device greatly improves the storage and transportation efficiency of the pipe pieces through a stepping type operation flow, reduces the labor intensity of workers, correspondingly optimizes the construction space in the tunnel, avoids the structural interference between different working components and the pipe pieces, ensures that each pipe piece can be continuously and smoothly transported to a target station and installed, and ensures that the integral tunneling operation efficiency and the tunnel construction effect of the tunneling equipment are correspondingly improved.
In the pipe piece storage and transportation method provided by the invention, through the sequentially carried out operation steps of pipe piece lifting, pipe piece blanking, angle adjustment, stepping forward movement, transposition lifting, circulation stepping and the like, the pipe piece required by operation is reliably placed on a rotating assembly through pipe piece lifting, the rotating assembly drives the pipe piece to rotate for 90 degrees and then is adjusted to an angle suitable for subsequent equipment transportation and pipe piece installation, and then the pipe pieces of each group are gradually conveyed to a target station at intervals through stepping material conveying operation formed by linkage adaptation between a movable frame and related matching assemblies so as to implement subsequent installation and the like. The whole operation flow is smooth and efficient, the operation efficiency is extremely high, the labor intensity of workers is remarkably reduced, the operation construction space in the tunnel is optimized, and the whole tunneling operation efficiency and the construction effect are correspondingly improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of a fitting structure of a pipe piece storage and transportation device and related components in a tunneling device according to an embodiment of the present invention;
fig. 2 is a front view of the duct piece storage and transportation device in fig. 1;
FIG. 3 is a top plan view of the mobile assembly of FIG. 2 in an initial position;
FIG. 4 is a top plan view of the structure of FIG. 3 with the moving assembly in a step advance position;
FIG. 5 is an enlarged view of a portion A of FIG. 3;
FIG. 6 is an exploded view of the rotary assembly of FIG. 3;
FIG. 7 is a right side view of FIG. 2;
FIG. 8 is a schematic view of the structure of the segment of FIG. 7 just placed on the rotating assembly;
FIG. 9 is a schematic view of the rotary assembly of FIG. 8 after the segment is rotated to complete the adjustment of the positive angle;
fig. 10 is a schematic view of the structure of the lifting arm in fig. 9 after the lifting arm descends and the duct piece is supported by the lifting support;
FIG. 11 is a schematic view of the structure of FIG. 10 in which the segment is supported by the lifting support and the rotating assembly is reset after the lifting arm is out of contact with the segment;
FIG. 12 is a schematic view of the tube sheet of FIG. 11 being out of contact with the lifting support and being supported by the lifting frame;
fig. 13 is a flowchart of a duct piece storage and transportation method according to an embodiment of the present invention.
Wherein,
10-underframe;
101-lifting frames;
102-lifting an oil cylinder;
103-a rear cylinder seat;
104-a rear reinforcement beam;
105-travelling wheels;
106, a guide wheel;
11-a pulling assembly;
111-main legs;
112-a trailing arm;
113-adjusting an oil cylinder;
114-a secondary leg;
12-a movement assembly;
121-lifting a support;
122-a mobile rack;
123-moving wheels;
124-front cylinder base;
125-a conveying cylinder;
126-front reinforcement beam;
127-lifting a nylon plate;
13-a rotating assembly;
131-lifting arms;
132-a support;
133-a rotary table;
134-jack-up cylinder;
135-a drive housing;
136-a rotary drive unit;
1361-worm gear;
1362-worm;
1363-bi-directional motor;
137-bearings;
138-a transition ring;
20-a shield tunneling machine body;
21-assembling machine;
22-trolley;
23-segment crane;
30-segment.
Detailed Description
The core of the invention is to provide a pipe piece storage and transportation device which can obviously improve the pipe piece storage and transportation efficiency of tunnel tunneling equipment and ensure the integral tunneling operation efficiency of the equipment; meanwhile, a tunneling device using the pipe piece storage and transportation device and a pipe piece storage and transportation method using the tunneling device are provided.
In order to better understand the aspects of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Please refer to fig. 1 to 12.
In a specific embodiment, the pipe piece storage and transportation device provided by the invention comprises a chassis 10 which is movably arranged at the bottom of a tunnel along a tunneling direction, wherein a dragging assembly 11 which is in linkage connection with a shield machine trolley 22 is arranged on the chassis 10, a moving assembly 12 is arranged on the chassis 10 in a reciprocating stepping manner along the tunneling direction, a rotating assembly 13 which can drive a pipe piece 30 to rotate around a vertical axis to adjust the placement direction of the pipe piece 30 is arranged at the rear end part of the chassis 10, the rotating assembly 13 is in alignment fit with the pipe piece crane 23 along the vertical direction, and jacking arms 131 which can lift along the vertical direction and are matched with the pipe piece 30 are symmetrically arranged at the top of the rotating assembly 13 along the horizontal direction; lifting frames 101 capable of supporting the duct pieces 30 are symmetrically arranged on two sides of the underframe 10, lifting oil cylinders 102 which are arranged along the length direction of the underframe 10 and can drive the lifting frames 101 to lift in the vertical direction are symmetrically arranged on two sides of the underframe 10, lifting supports 121 capable of supporting the duct pieces 30 are arranged on two sides of the moving assembly 12 along the length direction of the underframe 10, and the rotating assembly 13 is located between rear end portions of the two lifting supports 121.
In the working operation process, when the shield tunneling machine is in integral tunneling, the shield tunneling machine trolley 22 drives the pipe piece storage and transportation device to integrally move to a target station through the dragging component 11, then the pipe piece 30 is transported to a designated lifting position by the pipe piece 30 transport vehicle, then the pipe piece crane 23 is started to lift and hoist the pipe piece 30 to a set position right above the rotating component 13, then the pipe piece crane 23 lowers the pipe piece 30, meanwhile, the lifting arm 131 is lifted to a preset height, the pipe piece crane 23 slowly places the pipe piece 30 on the lifting arm 131 and places the pipe piece to be stable, then the pipe piece crane 23 is decoupled from the pipe piece 30 and resets, then the rotating frame drives the pipe piece 30 to integrally rotate for 90 degrees and then stop, then the lifting arm 131 gradually descends to an initial height until the pipe piece 30 is reliably supported by each lifting support 121, and the rotating frame is separated from the pipe piece 30, then the rotating frame reversely rotates for 90 degrees and then resets, the moving component 12 is controlled to integrally move forwards by a certain distance, the lifting cylinder 102 is synchronously moved forwards along with the moving component 12, the lifting cylinder 101 is controlled to extend from the corresponding position of the pipe piece 30, the pipe piece 101 is driven to be lifted, the pipe piece 101 is lifted and the pipe piece 30 is completely and the corresponding to the corresponding position is completely moved back to the lifting component, the corresponding to the lifting frame is arranged in a single-step mode, the corresponding position, the lifting component is moved back to the lifting component is arranged, the pipe piece 101 is placed in a single-step, and the corresponding position is moved, and the corresponding to the lifting component is moved, and the lifting component is moved in a single-step, and the lifting component is moved, and the corresponding to the lifting component is moved, and the lifting 30 is moved, and is sequentially and then is moved and lifted and is moved and moved, and is in a step and a step-by the lifting component is moved, and is in a position and a corresponding position, and is moved. And the shield machine trolley 22 drives the pipe piece storage and transportation device to integrally move to the next target station again through the dragging component 11 until all pipe pieces 30 required at the current station are conveyed in place and are installed, and corresponding pipe piece 30 storage and transportation operation is completed through repeating the working procedures. The pipe piece storage and transportation device greatly improves the storage and transportation efficiency of the pipe pieces 30 through a stepping type operation flow, reduces the labor intensity of workers, correspondingly optimizes the construction space in the tunnel, avoids the structural interference between different working components and the pipe pieces 30, ensures that each pipe piece 30 can be continuously and smoothly conveyed to a target station safely and installed, and correspondingly improves the integral tunneling operation efficiency and the tunnel construction effect of the tunnel tunneling equipment.
Accordingly, the reciprocating movement of the moving assembly 12 is a single step distance, and reference may be made to L shown in fig. 4.
It should be noted that, in general, in order to ensure the strength of the pulling structure under most working conditions, the pulling assembly 11 is composed of a main leg 111 vertically disposed in the middle and a pulling arm 112 disposed at two sides of the main leg 111 and connected between the bottom end of the main leg 111 and the side of the chassis 10, the pulling arm 112 may be formed by connecting rod-shaped or cylindrical parts coaxially disposed such as an adjusting cylinder 113 and a screw rod end to end, and the extending length of the pulling arm 112 may be adjusted by the linkage structure of the adjusting cylinder 113 and the screw rod itself, so as to adapt to the working requirements of devices under different working conditions.
It should be appreciated that the single lifting operation of the pipe segment crane 23 can implement the same batch lifting of two pipe segments 30, that is, each group of pipe segments 30 placed on the pipe segment storage and transportation device after the single lifting operation is generally 2, in practical application, the number of each group of pipe segments 30 during the single lifting and transportation operation can be flexibly adjusted according to the specific working condition requirements, but the servicing weight of the single group of pipe segments 30 should be ensured not to exceed the bearing capacity of the pipe segment crane 23 and the action components of the pipe segment storage and transportation device, and smooth operation of the equipment is ensured.
It should be correspondingly noted that, when the pipe piece crane 23 is lifted, the axial direction of the pipe piece 30 is consistent with the width direction of the tunnel, that is, the axis of the intrados of the pipe piece 30 extends along the width direction of the tunnel, and when the pipe piece 30 is driven to rotate by the rotating assembly 13, the axial direction of the pipe piece 30 is adjusted to be consistent with the length direction of the tunnel from being consistent with the width direction of the tunnel, so that the pipe piece 30 can be in a state of being coaxial with the installation position of the tunnel after being transported to the target station by the moving frame 122, thus further simplifying the installation step of the pipe piece 30, reducing the working difficulty and improving the installation operation efficiency; meanwhile, based on the structural size of the duct piece 30 under the general condition, the duct piece 30 is hoisted to the duct piece storage and transportation device in the tunnel in a state that the axial direction is consistent with the width direction of the tunnel, so that the transverse space occupied by the duct piece 30 in the hoisting process can be reduced, interference or rubbing with other equipment in the tunnel in the hoisting process of the duct piece 30 is avoided, and the hoisting safety and the operating efficiency of the duct piece 30 are improved.
In order to further ensure the structural strength of the dragging assembly 11, auxiliary supporting legs 114 which are obliquely arranged can be arranged on the side parts of the main supporting legs 111, the auxiliary supporting legs 114 are connected with the bottom ends of the main supporting legs 111, and the distance between the auxiliary supporting legs 114 and the main supporting legs 111 increases gradually from top to bottom, so that a triangular bearing mechanism is formed by the two auxiliary supporting legs 114 and the main supporting legs 111, the structural strength and stress tolerance of the dragging assembly 11 are further optimized, the dragging linkage between the pipe piece storage and transportation device and the shield tunneling machine trolley 22 is more flexible and quicker, and the position adjustment precision and the operation efficiency are higher.
In addition, the two sides of the bottom of the chassis 10 are provided with a plurality of traveling wheels 105 which are in rolling fit with the bottom surface of the tunnel along the length direction. Of course, in order to ensure the efficiency and tracking of the movement of the chassis 10 within the tunnel, the guide wheels 106 may be provided at the bottom of the front end of the chassis 10, and the directional movement of the chassis 10 may be achieved by arranging rails on the bottom of the tunnel and disposing the chassis 10 on the rails. In practical application, the moving arrangement form of the underframe 10 in the tunnel is not limited to the walking wheel 105 mechanism as shown in the figure, and a worker can flexibly adjust according to the actual working condition and the operation requirement, in principle, the moving arrangement form can meet the actual application requirement of the duct piece storage and transportation device.
It should be further clear that, in practical application, the underframe 10 may be a multi-section frame structure formed by hinging multiple sections of frames sequentially along the tunneling direction, so as to adapt to the fluctuating road conditions of the ground in the actual working condition environment, and the movable frame 122 may also be a multi-section frame structure adapted to the underframe 10, so that the staff can adaptively adjust according to the actual working condition requirement. In principle, it should be possible to ensure a stable operation of the support elements adapted to the segments 30 and a smooth transport of the segments 30.
Further, the moving assembly 12 includes a moving frame 122 disposed above the chassis 10 in parallel, lifting supports 121 are respectively located at the top of two sides of the moving frame 122, moving wheels 123 in rolling fit with the chassis 10 are disposed at the bottom of the moving frame 122, a plurality of rear cylinder bases 103 are disposed on the chassis 10, a plurality of front cylinder bases 124 in alignment fit with the rear cylinder bases 103 along the length direction of the chassis 10 are disposed on the moving frame 122, conveying cylinders 125 capable of extending and retracting along the length direction of the chassis 10 are hinged between the rear cylinder bases 103 and the front cylinder bases 124 in one-to-one correspondence, and the moving frame 122 can reciprocate and move step by step relative to the chassis 10 along the length direction of the chassis 10 under the driving of the conveying cylinders 125. In actual operation, after the duct piece 30 is completely supported and stabilized by the lifting support 121, each conveying oil cylinder 125 synchronously extends to drive the movable frame 122 to move forward for a certain distance relative to the underframe 10, thereby driving the duct piece 30 to move forward synchronously along with the movable frame 122, after the movable frame 122 moves forward in place, the lifting oil cylinders 102 at corresponding positions of the duct piece 30 extend to drive the lifting frame 101 to synchronously lift until the lifting frame 101 reliably supports the duct piece 30, so that the duct piece 30 is separated from the lifting support 121, and then each conveying oil cylinder 125 synchronously retracts to drive the movable frame 122 to integrally retract and reset relative to the underframe 10, so that the stepping reciprocating movement of the movable frame 122 can be realized, and the synchronous interval stepping conveying of a plurality of groups of duct pieces 30 is realized by matching with the respective actions of the lifting support 121 and the lifting frame 101.
Further, the chassis 10 is provided with a plurality of rear reinforcement beams 104 extending along the width direction thereof, each rear reinforcement beam 104 is sequentially arranged along the length direction of the chassis 10, the moving frame 122 is provided with a plurality of front reinforcement beams 126 extending along the width direction of the chassis 10, and each front reinforcement beam 126 is sequentially arranged along the length direction of the chassis 10; the rear cylinder bases 103 are fixed on the rear reinforcement beam 104, and each rear cylinder base 103 positioned on the same rear reinforcement beam 104 is uniformly distributed along the extending direction of the rear reinforcement beam 104, the front cylinder bases 124 are fixed on the front reinforcement beam 126, each front cylinder base 124 positioned on the same front reinforcement beam 126 is uniformly distributed along the extending direction of the front reinforcement beam 126, the cylinder end of the conveying cylinder 125 is hinged on the rear cylinder base 103, and the piston rod end of the conveying cylinder 125 is hinged on the front cylinder base 124 on the front adjacent front reinforcement beam 126 in front of the rear cylinder base 103. Each of the rear reinforcement beam 104 and the front reinforcement beam 126 can respectively improve the structural strength of the chassis 10 and the movable frame 122, and cooperate to provide reliable structural support for the conveying cylinder 125, and correspondingly optimize the linkage and transmission effects between the conveying cylinder 125 and the movable frame 122 and the chassis 10.
In addition, the top of the lifting support 121 is provided with a lifting nylon plate 127 in contact engagement with the duct piece 30. The nylon plate is flexible in texture, can ensure reliable support and self structural strength of the duct piece 30, can avoid damage to the main structure of the duct piece 30 due to rigid contact with the duct piece 30, and optimizes the storage and transportation effects of the duct piece 30.
Please refer to fig. 6.
On the other hand, the rotating assembly 13 comprises a support 132 fixedly arranged at the top of the rear end of the underframe 10, a rotating table 133 is arranged at the top of the support 132, jacking arms 131 are symmetrically arranged at the tops of two sides of the rotating table 133, and a plurality of jacking cylinders 134 for driving the jacking arms 131 to lift are symmetrically arranged at the tops of two sides of the rotating table 133; the support 132 is provided with a drive housing 135, a rotation drive unit 136 capable of driving the rotary table 133 to rotate in a fixed axis is arranged in the drive housing 135, and the support 132 is also provided with a bearing 137 which is coaxially matched with the rotary table 133 and is matched with the rotation drive unit 136. When the duct piece crane 23 lifts the duct piece 30 above the rotating assembly 13, the jacking cylinder 134 stretches out and drives the jacking arm 131 to lift, after the duct piece crane 23 stably places the duct piece 30 on the jacking arm 131, the rotating driving unit 136 drives the rotating table 133 to rotate forward by 90 degrees so as to adjust the placement angle of the duct piece 30 to a state circumferentially matched with the installation position in the tunnel, then the jacking cylinder 134 retracts and drives the jacking arm 131 to fall back until the duct piece 30 is reliably supported by the lifting support 121, the duct piece 30 is separated from the jacking arm 131, the rotating driving unit 136 drives the rotating table 133 to reversely rotate by 90 degrees to reset, and the jacking cylinder 134 drives the jacking arm 131 to fall back to the initial position so as to adapt to the supporting requirement of the next group of duct pieces 30; the drive housing 135 can provide reliable structural support and protection for the rotary drive unit 136 and its associated adapter components, ensuring stable and reliable operation of the components.
Specifically, the rotation driving unit 136 includes a worm wheel 1361 coaxially and cooperatively disposed below the rotary table 133, and a bi-directional motor 1363 engaged with the worm wheel 1361 to appropriately fit the worm 1362 and to drive the worm 1362 to rotate in a fixed shaft. The worm 1361 and the worm 1362 have higher transmission efficiency and stable and reliable operation, and the forward rotation and the reverse rotation of the worm 1362 are controlled by the bidirectional motor 1363, so that the linkage control of the forward rotation and the reverse rotation of the rotary table 133 is realized, and the angle and the position adjusting effect of the duct piece 30 are ensured.
More specifically, a transition ring 138 is coupled to the worm wheel 1361 and the turntable 133 in a coaxial linkage. The transition ring 138 can realize linkage connection between the worm wheel 1361 and the rotary table 133, and avoid structural impact formed by direct assembly between the worm wheel 1361 and the rotary table 133, so that the transmission effect between the worm wheel 1361 and the rotary table 133 is more stable.
In a specific embodiment, the tunneling device provided in the specific embodiment of the invention comprises a shield tunneling machine body 20, an assembling machine 21 and a trolley 22 which are arranged on the shield tunneling machine body 20, wherein a segment crane 23 is arranged at the rear part of the shield tunneling machine body 20 in a reciprocating manner along the tunneling direction, and a segment storage and transportation device is arranged below the shield tunneling machine trolley 22 and the segment crane 23, wherein the segment storage and transportation device is as above. The pipe piece 30 of the tunneling equipment has higher storage and transportation efficiency and better overall tunneling operation efficiency and construction effect.
Referring to fig. 6, fig. 6 is a flowchart of a method for storing and transporting a segment 30 according to an embodiment of the present invention.
In a specific embodiment, the method for storing and transporting the duct piece 30 provided in a specific embodiment of the present invention adopts the tunneling device as described above, including:
step 101, duct piece lifting:
after the shield machine trolley 22 drives the pipe piece storage and transportation device to integrally move to a target station through the dragging assembly 11, the pipe piece 30 is transported to a designated lifting position by the pipe piece transport trolley, and then the pipe piece crane 23 is started to lift and lift the pipe piece 30 to a set position right above the rotating assembly 13.
Step 102, blanking of duct pieces:
the segment crane 23 lowers the segment 30, and the jacking arms 131 rise to a preset height, and after the segment crane 23 slowly places the segment 30 on the jacking arms 131 and is stable, the segment crane 23 and the segment 30 are released from linkage and reset.
Step 103, angle adjustment:
the rotating frame drives the pipe piece 30 to rotate forward for 90 degrees integrally and then stops, then the jacking arms 131 gradually descend to the initial height until the pipe piece 30 is reliably supported by the lifting supports 121, the rotating frame is separated from the pipe piece 30, and then the rotating frame rotates reversely for 90 degrees and then resets.
Step 104, step forward:
after the duct piece 30 is completely supported and stabilized by the lifting support 121 of the moving assembly 12, the moving assembly 12 is controlled to move forward for a certain distance, so as to drive the duct piece 30 to move forward synchronously with the moving assembly 12.
Step 105, transposition lifting:
the lifting cylinders 102 on two sides of the corresponding position of the duct piece 30 are controlled to extend to drive the lifting frame 101 to lift up until the lifting frame 101 fully and reliably supports the duct piece 30 and enables the duct piece 30 to be separated from the lifting support 121, then the moving assembly 12 is controlled to integrally retract and reset, and then the lifting cylinders 102 retract to drive the lifting frame 101 to fall back and reset until the duct piece 30 is stably placed on the lifting support 121 corresponding to the current position.
Step 106, circularly stepping:
the steps of segment lifting, segment blanking, angle adjustment, stepping forward and transposition lifting are sequentially repeated until the subsequent segments 30 are continuously arranged on the lifting support 121 at intervals and synchronously feed forward in a stepping manner so as to meet the tunnel construction requirements.
As can be seen from the above, in the pipe segment storage and transportation device provided by the invention, in the working operation process, when the shield tunneling machine is tunneling integrally, the shield tunneling machine trolley drives the pipe segment storage and transportation device to the target station through the dragging component, then the pipe segment transportation vehicle transports the pipe segment to the appointed lifting position, then the pipe segment crane is started to lift and hoist the pipe segment to the set position right above the rotating component, then the pipe segment crane lowers the pipe segment, meanwhile, the lifting arm is lifted to the preset height, the pipe segment is slowly placed on the lifting arm and placed stably, then the lifting machine is decoupled and reset with the pipe segment, then the rotating frame drives the pipe segment to rotate integrally by 90 degrees, then the lifting arm is gradually lowered to the initial height until the pipe segment is supported by each lifting support, and the rotating frame is separated from the pipe segment by 90 degrees, then the rotating frame is reversely rotated and reset, the moving frame is controlled to move integrally a certain distance forwards, the lifting cylinders on two sides corresponding to the position synchronously with the moving frame are driven, the lifting frame is driven to extend until the lifting frame supports the pipe segment, the pipe segment is completely and the pipe segment is completely separated from the lifting frame and is placed on the lifting frame, the corresponding lifting frame is moved back to the current position, and then the lifting frame is arranged on the lifting frame is in a single position, and the lifting frame is moved back until the corresponding to the lifting frame is completed, and the lifting frame is moved to the current position and is moved continuously, and is moved repeatedly, and then the lifting frame is moved to the lifting frame is sequentially and is mounted to the lifting frame and is in a position until the lifting frame is in a position and is correspondingly. And then the shield machine trolley drives the duct piece storage and transportation device to integrally move to the next target station through the dragging assembly, and the corresponding duct piece storage and transportation operation is completed through repeating the working procedures. The pipe piece storage and transportation device greatly improves the storage and transportation efficiency of the pipe pieces through a stepping type operation flow, reduces the labor intensity of workers, correspondingly optimizes the construction space in the tunnel, avoids the structural interference between different working components and the pipe pieces, ensures that each pipe piece can be continuously and smoothly transported to a target station and installed, and ensures that the integral tunneling operation efficiency and the tunnel construction effect of the tunneling equipment are correspondingly improved.
In addition, the tunnel tunneling equipment using the pipe piece storage and transportation device has the advantages of higher pipe piece storage and transportation efficiency and tunneling operation efficiency and better tunneling construction effect.
In addition, the pipe piece storage and transportation method adopting the tunneling equipment provided by the invention has higher pipe piece storage and transportation efficiency.
The pipe piece storage and transportation device, the tunnel tunneling equipment using the pipe piece storage and transportation device and the pipe piece storage and transportation method using the tunnel tunneling equipment are described in detail. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (10)
1. The duct piece storage and transportation device is characterized by comprising a chassis which is movably arranged at the bottom of a tunnel along the tunneling direction, wherein a dragging assembly which is in linkage connection with a trolley of a shield tunneling machine is arranged on the chassis, a moving assembly is arranged on the chassis in a reciprocating stepping manner along the tunneling direction, a rotating assembly which can drive a duct piece to rotate around a vertical axis to adjust the placing direction of the duct piece is arranged at the rear end part of the chassis, the rotating assembly is in alignment fit with the duct piece crane along the vertical direction, and jacking arms which can lift along the vertical direction and are matched with the duct piece are symmetrically arranged at the top of the rotating assembly along the horizontal direction;
lifting frames capable of supporting duct pieces are symmetrically arranged on two sides of the underframe, lifting cylinders which are arranged along the length direction of the underframe and can drive the lifting frames to lift in the vertical direction are also symmetrically arranged on two sides of the underframe, lifting supports capable of supporting the duct pieces are arranged on two sides of the moving assembly along the length direction of the underframe, and the rotating assembly is located between the rear end parts of the two lifting supports;
the dragging assembly consists of a main supporting leg vertically arranged in the middle, dragging arms which are respectively arranged at two sides of the main supporting leg and are connected between the bottom end of the main supporting leg and the side part of the underframe, and auxiliary supporting legs which are obliquely arranged at the side parts of the main supporting leg; the number of the auxiliary supporting legs is two, and the two auxiliary supporting legs and the main supporting legs form a triangular bearing mechanism;
the rotating assembly comprises a support fixedly arranged at the top of the rear end of the underframe, a rotating table is arranged at the top of the support, lifting arms are symmetrically arranged at the tops of the two sides of the rotating table, and a plurality of lifting cylinders for driving the lifting arms to lift are symmetrically arranged at the tops of the two sides of the rotating table.
2. The duct piece storage and transportation device of claim 1, wherein the moving assembly comprises moving frames arranged above the bottom frame in parallel, the lifting supports are respectively arranged at the tops of two side edges of the moving frames, moving wheels in rolling fit with the bottom frame are arranged at the bottoms of the moving frames, a plurality of rear cylinder seats are arranged on the bottom frame, a plurality of front cylinder seats which are in counterpoint fit with the rear cylinder seats along the length direction of the bottom frame are arranged on the moving frames, conveying oil cylinders which can stretch along the length direction of the bottom frame are hinged between the rear cylinder seats and the front cylinder seats in a one-to-one correspondence manner, and the moving frames can do reciprocating stepping movement relative to the bottom frame along the length direction of the bottom frame under the driving of the conveying oil cylinders.
3. The duct piece storage and transportation device according to claim 2, wherein the underframe is provided with a plurality of rear reinforcement beams extending along the width direction thereof, each rear reinforcement beam is sequentially arranged along the length direction of the underframe, the movable frame is provided with a plurality of front reinforcement beams extending along the width direction of the underframe, and each front reinforcement beam is sequentially arranged along the length direction of the underframe;
the rear cylinder seat is fixed on the rear reinforcement beam, each rear cylinder seat on the same rear reinforcement beam is uniformly distributed along the extending direction of the rear reinforcement beam, the front cylinder seat is fixed on the front reinforcement beam, each front cylinder seat on the same front reinforcement beam is uniformly distributed along the extending direction of the front reinforcement beam, the cylinder barrel end of the conveying cylinder is hinged on the rear cylinder seat, and the piston rod end of the conveying cylinder is hinged on the front cylinder seat on the front adjacent front reinforcement beam in front of the rear cylinder seat.
4. The pipe sheet storage and transportation device as claimed in claim 2, wherein the top of the lifting support is provided with a lifting nylon plate in contact fit with the pipe sheet.
5. The pipe piece storage and transportation device according to claim 1, wherein a driving housing is arranged on the support, a rotation driving unit capable of driving the rotary table to rotate on a fixed shaft is arranged in the driving housing, and a bearing which is coaxially matched with the rotary table and matched with the rotation driving unit is also arranged on the support.
6. The pipe storage and transportation device according to claim 5, wherein the rotary driving unit comprises a worm wheel coaxially and cooperatively arranged below the rotary table, and further comprises a worm gear engaged with the worm wheel and a bidirectional motor for driving the worm to rotate in a fixed shaft manner.
7. The pipe storage and transportation device according to claim 6, wherein a transition ring is connected between the worm wheel and the rotary table in a coaxial linkage manner.
8. The pipe storage and transportation device according to claim 1, wherein a plurality of travelling wheels in rolling fit with the bottom surface of the tunnel are arranged on two sides of the bottom of the underframe along the length direction of the underframe.
9. A tunneling device, comprising a shield tunneling machine body, a splicing machine and a trolley, wherein the splicing machine and the trolley are arranged on the shield tunneling machine body, and a segment crane is arranged at the rear part of the shield tunneling machine body in a reciprocating manner along the tunneling direction.
10. A method for storing and transporting a segment, which adopts the tunneling device according to claim 9, comprising the steps of:
after the pipe piece is lifted, the shield machine trolley drives the pipe piece storage and transportation device to integrally move to a target station through the dragging component, the pipe piece is transported to a designated lifting position through the pipe piece transport trolley, and then the pipe piece crane is started to lift and lift the pipe piece to a set position right above the rotating component;
the pipe piece blanking, the pipe piece crane descends the pipe piece, meanwhile, the jacking arm ascends to a preset height, the pipe piece crane slowly places the pipe piece on the jacking arm and is placed stably, and then the pipe piece crane and the pipe piece are released from linkage and reset;
the angle adjustment is carried out, the rotating frame drives the whole duct piece to rotate forward for 90 degrees and then stop, then the jacking arms gradually descend to the initial height until the duct piece is reliably supported by each lifting support, the rotating frame is separated from contact with the duct piece, and then the rotating frame reversely rotates for 90 degrees and then resets;
after the segment is supported by the lifting support of the moving assembly and is fully supported and stabilized, the moving assembly is controlled to move forwards for a certain distance integrally, and the segment is driven to move forwards synchronously along with the moving assembly;
the transposition lifting is carried out, lifting oil cylinders on two sides of the corresponding position of the duct piece are controlled to extend to drive the lifting frame to lift up until the lifting frame completely and reliably supports the duct piece, the duct piece is separated from contact with the lifting support, then the moving assembly is controlled to integrally retract and reset, and then the lifting oil cylinders retract to drive the lifting frame to fall back and reset until the duct piece is stably placed on the lifting support corresponding to the current position;
and (3) circularly stepping, namely sequentially repeating the steps of duct piece lifting, duct piece blanking, angle adjustment, stepping forward and transposition lifting until the subsequent duct pieces are continuously arranged on the lifting support at intervals, and synchronously feeding forward in a stepping manner so as to meet the tunnel construction requirements.
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| CN202111180801.7A CN113818910B (en) | 2021-10-11 | 2021-10-11 | Segment storage and transportation device, tunnel tunneling equipment and segment storage and transportation method |
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| CN202111180801.7A CN113818910B (en) | 2021-10-11 | 2021-10-11 | Segment storage and transportation device, tunnel tunneling equipment and segment storage and transportation method |
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| CN114320348A (en) * | 2021-12-27 | 2022-04-12 | 中铁工程装备集团有限公司 | Pipe piece quick-dismounting device and working method thereof |
| CN114320346A (en) * | 2021-12-27 | 2022-04-12 | 中铁工程装备集团有限公司 | Segment conveying device and segment conveying method thereof |
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